Finding the Fourth Proportional to 1,548,862,570.92, 2,137,418,514.44 and 844,012,372.62
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Solution
The fourth proportional to 1,548,862,570.92, 2,137,418,514.44 and 844,012,372.62 is: 1,164,730,625.90
Step by Step Solution
- Step 1: Write the proportion equation
1,548,862,570.92 : 2,137,418,514.44 = 844,012,372.62 : x - Step 2: Convert to fraction form
1,548,862,570.92/2,137,418,514.44 = 844,012,372.62/x - Step 3: Cross multiply
1,548,862,570.92x = 2,137,418,514.44 × 844,012,372.62 - Step 4: Simplify right side
1,548,862,570.92x = 1,804,007,671,654,420,224 - Step 5: Solve for x
x = 1,804,007,671,654,420,224/1,548,862,570.92 - Step 6: Final answer
x = 1,164,730,625.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.